81153786

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{3469}}^1$

素因数の和:4038

約数の個数: 32

約数和(自身を含む): 185880960

約数和(自身を除く): 104727174

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 557, 1114, 1671, 3342, 3469, 3899, 6938, 7798, 10407, 11697, 20814, 23394, 24283, 48566, 72849, 145698, 1932233, 3864466, 5796699, 11593398, 13525631, 27051262, 40576893, 81153786]

約数ペア:

[(1, 81153786), (2, 40576893), (3, 27051262), (6, 13525631), (7, 11593398), (14, 5796699), (21, 3864466), (42, 1932233), (557, 145698), (1114, 72849), (1671, 48566), (3342, 24283), (3469, 23394), (3899, 20814), (6938, 11697), (7798, 10407)]